Ocular Neuromyotonia Associated with Chronic Inflammatory Demyelinating Polyneuropathy

Nathan H. Kung, Robert C. Bucelli, Collin M. McClelland, Gregory P. Van Stavern

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Ocular neuromyotonia (ONM) is a neuro-ophthalmic disorder characterized by episodic diplopia caused by contraction of one or more ocular muscles due to spontaneous excitation of the respective ocular motor nerve. We report a patient whose ocular neuromyotonia arose in the setting of a subacute demyelinating polyneuropathy consistent with chronic inflammatory demyelinating polyneuropathy (CIDP) and subsequently resolved following the initiation of intravenous immunoglobulin (IVIg) for her neuropathy. Our patient provides additional evidence towards the role of demyelination and ephaptic neurotransmission in ocular neuromyotonia and also represents the first reported case of ocular neuromyotonia associated with a systemic neurological condition.

Original languageEnglish (US)
Pages (from-to)240-242
Number of pages3
JournalNeuro-Ophthalmology
Volume39
Issue number5
DOIs
StatePublished - Sep 3 2015

Keywords

  • Chronic inflammatory demyelinating polyneuropathy
  • diplopia
  • ocular motility
  • ocular neuromyotonia

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